AR14.15-W-3004A | Remove/install electropneumatic pressure converter of Turbobrake | 29.3.06 |
ENGINE 457.9 in MODEL 374, 375, 940, 942, 943, 944, 958 with CODE (MZ4) Turbobrake
W14.15-1075-06
Illustrated on model 944
1 Compressed-air line
2 Control line
3 Electrical connector
4 Bolts
Y87 Electric-pneumatic converter (EPW)
| Remove/install | ||
1 | Switch off ignition | ||
2 | Release compressed air from ancillary consumer circuit | ||
3 | Remove soundproofing on frame below | Installation: Only install soundproofing after the leak test. | |
4 | Remove connectors for compressed air line (1) and control line (2) at electric-pneumatic converter (EPW) (Y87) | With compressed air connection system "VOSS 230". | |
With compressed air connection system "VOSS 232" (NG 8, 12) or "SCHÄFER SDF" (NG 6). | |||
| Notes on compressed air connection systems | ||
5 | Disconnect electrical connector (3) at electropneumatic pressure converter (EPW) (Y87) | ||
6 | Remove bolts (4) and then remove electric-pneumatic converter (EPW) (Y87) downwards | | |
7 | Install in the reverse order | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the running engine | Secure vehicle to prevent it from moving by itself. | |
8 | Start the engine and perform an engine test run | ||
9 | Check area of electric-pneumatic converter (EPW) (Y87) for leaks then stop engine | Visual inspection. |
Turbobrake
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